Few filmmakers can pack a screenplay with more fascinating supporting characters than the Coens, and John Goodman’s had the great fortune of playing many of them. Walter? He could get a movie. Roland Turner, junky bluesman from Inside Llewyn Davis could probably shoulder a full film. But Goodman’s most mysterious and complex performance came as Barton Fink‘s unusual neighbor Charlie Meadows, and we’d like to know what made him tick.